[Event "IX SESC Caioba Open"]
[Site "Caioba BRA"]
[Date "2025.06.30"]
[Round "3.20"]
[White "Mareco, S"]
[Black "Pirola, Claudionor Alcides Lima"]
[Result "1-0"]
[WhiteElo "2585"]
[BlackElo "2139"]
[ECO "A22"]
[PlyCount "77"]

1.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nb6 6.Nf3 Nc6 7.O-O Be7 8.b3 O-O 9.Bb2 Re8 10.Rc1 Bf8 11.d3 a5 12.Nd2 Nb4 13.a3 Na6 14.Nc4 Nxc4 15.bxc4 Nc5 16.Na4 Nxa4 17.Qxa4 Bd7 18.Qc2 Qc8 19.Rfe1 Ra6 20.Rb1 Bc6 21.f3 h5 22.e3 Qf5 23.Qc3 Raa8 24.Rbd1 a4 25.Rf1 Qg6 26.Kh1 Rad8 27.e4 Bc5 28.f4 Bd4 29.Qc2 f6 30.Bc1 f5 31.exf5 Qxf5 32.fxe5 Qxe5 33.Bxc6 bxc6 34.Qxa4 Be3 35.Bxe3 Qxe3 36.Qxc6 Re7 37.Qf3 Qc5 38.a4 Red7 39.Qe4 1-0